Model Providers & Bring Your Own Key (BYOK)

Connect your own API keys for OpenAI, Anthropic, Google Gemini, OpenRouter, DeepSeek, or local Ollama.

Bring Your Own Key (BYOK)

December is 100% model-agnostic. You can use your own API keys with zero markup on token prices:

Supported Providers

Anthropic: Claude 3.7 Sonnet, Claude 3.5 Sonnet, Claude 3.5 Haiku
OpenAI: GPT-4o, o1, o3-mini
Google Gemini: Gemini 2.5 Pro, Gemini 2.5 Flash, Gemini 2.0 Flash
DeepSeek: DeepSeek R1, DeepSeek V3
OpenRouter: Access to 100+ open and proprietary models
Ollama: Local models running on your machine (offline, private, free)

Configuring Keys

In your terminal, run:

december login

Select Configure Custom API Keys (BYOK) and paste your key. Keys are securely stored in your local configuration directory (~/.december/config.json) and never transmitted to December servers when in local mode.

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